Home / 9,439.60-14,166.18-3,517.30

Finding the Fourth Proportional to 9,439.60, 14,166.18 and 3,517.30

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Solution

The fourth proportional to 9,439.60, 14,166.18 and 3,517.30 is: 5,278.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.60 : 14,166.18 = 3,517.30 : x
  2. Step 2: Convert to fraction form
    9,439.60/14,166.18 = 3,517.30/x
  3. Step 3: Cross multiply
    9,439.60x = 14,166.18 × 3,517.30
  4. Step 4: Simplify right side
    9,439.60x = 49,826,704.91
  5. Step 5: Solve for x
    x = 49,826,704.91/9,439.60
  6. Step 6: Final answer
    x = 5,278.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.